—
25
—
Table 16 — Fan Performance 551B090 — Vertical Discharge Units; High-Static Motor (Belt Drive)*
LEGEND
*Motor drive range: 860 to 1080 rpm. All other rpms require field-
supplied drive.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 4.20.
3. See page 23 for general fan performance notes.
AIRFLOW
CFM
EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
2250
511
0.53
492
591
0.73
680
660
0.95
885
722
1.19
1106
779
1.44
1342
2300
519
0.56
518
597
0.76
709
666
0.98
916
727
1.22
1140
784
1.48
1378
2400
534
0.61
571
611
0.82
768
678
1.05
982
739
1.30
1210
795
1.56
1453
2500
550
0.67
629
624
0.89
832
690
1.13
1051
750
1.38
1285
805
1.64
1533
2550
558
0.71
660
631
0.93
866
697
1.17
1088
756
1.42
1324
811
1.69
1574
2600
565
0.74
691
638
0.97
901
703
1.21
1125
762
1.46
1365
816
1.73
1617
2700
581
0.81
758
652
1.04
974
716
1.29
1204
774
1.55
1449
828
1.83
1707
2800
597
0.89
829
667
1.13
1051
729
1.38
1287
786
1.65
1538
839
1.93
1801
2900
613
0.97
905
681
1.22
1133
742
1.48
1376
799
1.75
1632
851
2.04
1900
3000
630
1.06
985
696
1.31
1220
756
1.58
1469
811
1.86
1731
863
2.15
2004
3100
646
1.15
1071
711
1.41
1313
770
1.68
1568
824
1.97
1835
875
2.27
2114
3200
663
1.25
1162
726
1.51
1411
784
1.79
1672
837
2.09
1944
888
2.39
2229
3300
679
1.35
1259
741
1.62
1514
798
1.91
1781
851
2.21
2060
900
2.52
2351
3400
696
1.46
1361
756
1.74
1623
812
2.03
1896
864
2.34
2181
913
2.66
2478
3500
713
1.58
1469
772
1.86
1737
827
2.16
2017
878
2.48
2308
926
2.80
2610
3600
729
1.70
1583
787
1.99
1857
841
2.30
2144
892
2.62
2441
939
2.95
2749
3700
746
1.83
1703
803
2.13
1985
856
2.44
2277
906
2.77
2580
953
3.10
2894
3750
755
1.89
1766
811
2.20
2051
864
2.52
2346
913
2.84
2653
959
3.18
2969
AIRFLOW
CFM
EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
2250
832
1.71
1592
882
1.99
1855
928
2.29
2131
973
2.59
2420
1015
2.92
2720
2300
837
1.75
1630
886
2.03
1896
933
2.33
2174
977
2.64
2463
1020
2.97
2766
2400
847
1.83
1710
896
2.12
1980
942
2.43
2262
986
2.74
2556
1028
3.07
2861
2500
857
1.92
1794
905
2.22
2069
951
2.52
2355
995
2.84
2653
1037
3.18
2962
2550
862
1.97
1838
910
2.27
2114
956
2.58
2403
999
2.90
2704
1041
3.23
3014
2600
867
2.02
1884
915
2.32
2162
961
2.63
2453
1004
2.95
2755
1045
3.29
3068
2700
878
2.12
1978
926
2.42
2261
971
2.74
2556
1013
3.07
2862
1055
3.41
3180
2800
889
2.23
2077
936
2.54
2365
981
2.86
2664
1023
3.19
2975
1064
3.54
3297
2900
900
2.34
2181
947
2.65
2474
991
2.98
2778
1033
3.32
3094
1073
3.67
3419
3000
912
2.46
2290
958
2.78
2588
1001
3.11
2897
1043
3.45
3217
1083
3.80
3547
3100
923
2.58
2406
969
2.90
2708
1012
3.24
3022
1053
3.59
3347
1093
3.95
3682
3200
935
2.71
2526
980
3.04
2834
1023
3.38
3152
1064
3.73
3482
1103
4.10
3821
3300
947
2.84
2652
992
3.18
2966
1034
3.53
3289
1075
3.89
3623
—
—
—
3400
959
2.99
2785
1003
3.33
3103
1045
3.68
3432
1086
4.04
3771
—
—
—
3500
972
3.13
2923
1015
3.48
3246
1057
3.84
3581
—
—
—
—
—
—
3600
984
3.29
3068
1027
3.64
3396
1068
4.01
3736
—
—
—
—
—
—
3700
997
3.45
3218
1040
3.81
3553
1080
4.18
3897
—
—
—
—
—
—
3750
1004
3.54
3296
1046
3.90
3633
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
Содержание DURAPAC PLUS 551B
Страница 5: ...5 Fig 7 Base Unit Dimensions...
Страница 43: ...43 Fig 47 Cooling Charging Charts Standard 551B090 Unit Fig 48 Cooling Charging Charts Standard 551B102 Unit...
Страница 44: ...44 Fig 49 Cooling Charging Charts Standard 551B120 Unit Fig 50 Cooling Charging Charts Standard 551B150 Unit...
Страница 51: ......